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Patent Searching and Data


Title:
PRINTED MATTER AND PRINTING METHOD
Document Type and Number:
Japanese Patent JP2004050762
Kind Code:
A
Abstract:

To provide a printed matter and a printing method, which can ensure high security.

A face image 2 which is a multivalued image, a ghost image 3 which serves as a face image having a lower density than the face image 2, characters 4, and a pattern 5 are printed on the printed matter 1, respectively. In the printed matter 1, the ghost image 3 is printed in such a manner that the pattern 5 to be printed on the printed matter 1 is embedded as a binary image 6, so as to be resistant to a person's perception.


Inventors:
MIKI TAKEO
YAMAGUCHI TAKASHI
Application Number:
JP2002214414A
Publication Date:
February 19, 2004
Filing Date:
July 23, 2002
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
B42D15/10; B41J2/36; B41J29/00; (IPC1-7): B41J29/00; B41J2/36; B42D15/10
Domestic Patent References:
JPH11355554A1999-12-24
JPH10244789A1998-09-14
JPS63120667A1988-05-25
JPS61186068A1986-08-19
JP2001239763A2001-09-04
JP2002166657A2002-06-11
JPH09248935A1997-09-22
JP2000079782A2000-03-21
JP2000135883A2000-05-16
Attorney, Agent or Firm:
Takehiko Suzue
Sadao Muramatsu
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai